All weapons
Successfully complete the Villa level in Super Cop mode.
Cabal Boss multi-player skin
Successfully complete the Dock Yard level in Super Cop mode to unlock the Cabal Boss multi-player skin.
Fists Of Flame mode
Successfully complete the Abattoir level in Super Cop mode to unlock Fists Of Flame mode.
Incredibly Fit Dog mode
Successfully complete the Under Rink level in Super Cop mode to unlock Incredibly Fit Dog mode. In this mode, you will have unlimited Shadow attacks.
Infinite adrenaline
Successfully complete the Back Streets level in Super Cop mode.
Infinite ammunition
Successfully complete the Groove level in Super Cop mode.
Maxine multi-player skin
Successfully complete the Manson level in Super Cop mode to unlock the Maxine multi-player skin.
Multi-player skins and levels
Successfully complete story mode on the normal difficulty setting to unlock a new skin or level for each completed level.
No Damage mode
Successfully complete the Roof Tops level in Super Cop mode to unlock No Damage mode.
Normal Challenge mode
Successfully complete story mode on the normal difficulty setting to unlock Challenge mode with the normal difficulty setting.
Other multi-player skins and levels
Successfully complete story mode under the normal difficulty setting. You will unlock a new skin or level for each level completed.
Biker 2 skin: Chapter 1
Bar level: Chapter 2
Biker Boss skin: Chapter 3
Triad 2 skin: Chapter 4
Jack 2 skin: Chapter 5
Triad Boss skin: Chapter 6
Militia 2 skin: Chapter 7
Militia Boss skin: Chapter 8
Cabal 1 skin: Chapter 9
Cabal 2 skin: Chapter 10
Mansion level: Chapter 11
Whisper skin: Chapter 12
Super Cop mode
Successfully complete story mode on the normal difficulty setting to unlock Super Cop mode.
Superdeform mode
Successfully complete the Pink Starfish level in Super Cop mode to unlock Superdeform mode. In this mode, you will have big head, feet, and hands.
Unlock Everything
To unlock everything go to the select profile option on the main screen then go to edit current profile then go to edit name and enter your name as "DoggieStyle" (case sensitive) next you accept the changes then you go back to the main menu and select options and the cheats should all be unlocked.